JLG 4017RS Service Manual - Manual (Page 138)

Hydraulic System
8-8 3614RS, 4017RS
8.7 HYDRAULIC RESERVOIR
The hydraulic reservoir (1) is located under the cab.
8.7.1 Hydraulic Oil Reservoir Draining
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom, place
the transmission in (N)NEUTRAL, engage the park brake
and shut the engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel.
3. Open the engine cover. Allow the system fluids to cool.
4. Properly disconnect the battery.
5. Open the hydraulic oil filler cab access panel at the
bottom left rear of the cab.
6. Open the filler cap on the hydraulic oil reservoir.
Remove the drain plug (2) on the bottom of the
hydraulic oil reservoir.
7. Transfer the used hydraulic oil into a suitable covered
container, and label as “Used Oil”. Dispose of used oil at
an approved recycling facility. Clean and reinstall the
drain plug. Torque drain plug to
35 Nm (25 lb-ft).
8. Wipe up any hydraulic fluid spillage in, on, near and
around the machine and the work area.
8.7.2 Hydraulic Oil Reservoir Filling
1. Be sure the reservoir is clean and free of all debris.
2. Install a new hydraulic oil filter.
3. Fill the reservoir with oil until oil level is visible in the
gauge window (3). Refer to Section 2.5, “Fluids,
Lubricants and Capacities.”
4. Properly connect the battery.
5. Close and secure the engine cover.
6. Start machine and check all hydraulic functions for
proper operation. Check for any hydraulic oil leaks. Shut
machine OFF and check hydraulic oil level. If oil is warm,
oil level should be visible in the gauge window (3). Add
hydraulic oil if necessary.
7. Close the hydraulic oil filler cab access panel at the
bottom left rear of the cab.
8. Remove the Do Not Operate Tag from the ignition key
switch and the steering wheel.
8.7.3 Hydraulic Oil Reservoir Removal/
Installation
If it is determined that the hydraulic oil reservoir must be
removed, the hydraulic oil must be drained before the
reservoir is removed. Always dispose of hydraulic oil
properly.
a. Reservoir Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom, place
the transmission in (N) NEUTRAL, engage the park brake
and shut the engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel.
3. Open the engine cover. Allow the system fluids to cool.
4. Properly disconnect the battery.
5. Drain the hydraulic oil reservoir. Refer to Section 8.7.1,
“Hydraulic Oil Reservoir Draining.”
6. Label, disconnect and cap all hydraulic hoses attached
to the hydraulic oil reservoir. Cap all fittings and
openings to keep dirt and debris from entering the
hydraulic system.
7. Remove the two bolts securing the fill tube/bracket (4).
8. Remove the bolt (5), nuts and strap (6) securing the
hydraulic oil reservoir to the frame.
9. Remove the hydraulic oil reservoir.
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